Home / 287,233,307.40-430,231,111.11-194,608,849.17

Finding the Fourth Proportional to 287,233,307.40, 430,231,111.11 and 194,608,849.17

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Solution

The fourth proportional to 287,233,307.40, 430,231,111.11 and 194,608,849.17 is: 291,493,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,233,307.40 : 430,231,111.11 = 194,608,849.17 : x
  2. Step 2: Convert to fraction form
    287,233,307.40/430,231,111.11 = 194,608,849.17/x
  3. Step 3: Cross multiply
    287,233,307.40x = 430,231,111.11 × 194,608,849.17
  4. Step 4: Simplify right side
    287,233,307.40x = 83,726,781,410,247,504
  5. Step 5: Solve for x
    x = 83,726,781,410,247,504/287,233,307.40
  6. Step 6: Final answer
    x = 291,493,985.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.